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@ ProgramNode (location: (1,0)-(13,38))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(13,38))
└── body: (length: 3)
├── @ DefNode (location: (1,0)-(5,3))
│ ├── name: :exec
│ ├── name_loc: (1,4)-(1,8) = "exec"
│ ├── receiver: ∅
│ ├── parameters:
│ │ @ ParametersNode (location: (1,9)-(1,12))
│ │ ├── requireds: (length: 1)
│ │ │ └── @ RequiredParameterNode (location: (1,9)-(1,12))
│ │ │ ├── flags: ∅
│ │ │ └── name: :cmd
│ │ ├── optionals: (length: 0)
│ │ ├── rest: ∅
│ │ ├── posts: (length: 0)
│ │ ├── keywords: (length: 0)
│ │ ├── keyword_rest: ∅
│ │ └── block: ∅
│ ├── body:
│ │ @ BeginNode (location: (1,0)-(5,3))
│ │ ├── begin_keyword_loc: ∅
│ │ ├── statements:
│ │ │ @ StatementsNode (location: (2,2)-(2,13))
│ │ │ └── body: (length: 1)
│ │ │ └── @ CallNode (location: (2,2)-(2,13))
│ │ │ ├── flags: ignore_visibility
│ │ │ ├── receiver: ∅
│ │ │ ├── call_operator_loc: ∅
│ │ │ ├── name: :system
│ │ │ ├── message_loc: (2,2)-(2,8) = "system"
│ │ │ ├── opening_loc: (2,8)-(2,9) = "("
│ │ │ ├── arguments:
│ │ │ │ @ ArgumentsNode (location: (2,9)-(2,12))
│ │ │ │ ├── flags: ∅
│ │ │ │ └── arguments: (length: 1)
│ │ │ │ └── @ LocalVariableReadNode (location: (2,9)-(2,12))
│ │ │ │ ├── name: :cmd
│ │ │ │ └── depth: 0
│ │ │ ├── closing_loc: (2,12)-(2,13) = ")"
│ │ │ └── block: ∅
│ │ ├── rescue_clause:
│ │ │ @ RescueNode (location: (3,0)-(4,5))
│ │ │ ├── keyword_loc: (3,0)-(3,6) = "rescue"
│ │ │ ├── exceptions: (length: 0)
│ │ │ ├── operator_loc: ∅
│ │ │ ├── reference: ∅
│ │ │ ├── statements:
│ │ │ │ @ StatementsNode (location: (4,2)-(4,5))
│ │ │ │ └── body: (length: 1)
│ │ │ │ └── @ NilNode (location: (4,2)-(4,5))
│ │ │ └── consequent: ∅
│ │ ├── else_clause: ∅
│ │ ├── ensure_clause: ∅
│ │ └── end_keyword_loc: (5,0)-(5,3) = "end"
│ ├── locals: [:cmd]
│ ├── def_keyword_loc: (1,0)-(1,3) = "def"
│ ├── operator_loc: ∅
│ ├── lparen_loc: (1,8)-(1,9) = "("
│ ├── rparen_loc: (1,12)-(1,13) = ")"
│ ├── equal_loc: ∅
│ └── end_keyword_loc: (5,0)-(5,3) = "end"
├── @ DefNode (location: (8,0)-(10,3))
│ ├── name: :exec
│ ├── name_loc: (8,4)-(8,8) = "exec"
│ ├── receiver: ∅
│ ├── parameters:
│ │ @ ParametersNode (location: (8,9)-(8,12))
│ │ ├── requireds: (length: 1)
│ │ │ └── @ RequiredParameterNode (location: (8,9)-(8,12))
│ │ │ ├── flags: ∅
│ │ │ └── name: :cmd
│ │ ├── optionals: (length: 0)
│ │ ├── rest: ∅
│ │ ├── posts: (length: 0)
│ │ ├── keywords: (length: 0)
│ │ ├── keyword_rest: ∅
│ │ └── block: ∅
│ ├── body:
│ │ @ StatementsNode (location: (9,2)-(9,24))
│ │ └── body: (length: 1)
│ │ └── @ RescueModifierNode (location: (9,2)-(9,24))
│ │ ├── expression:
│ │ │ @ CallNode (location: (9,2)-(9,13))
│ │ │ ├── flags: ignore_visibility
│ │ │ ├── receiver: ∅
│ │ │ ├── call_operator_loc: ∅
│ │ │ ├── name: :system
│ │ │ ├── message_loc: (9,2)-(9,8) = "system"
│ │ │ ├── opening_loc: (9,8)-(9,9) = "("
│ │ │ ├── arguments:
│ │ │ │ @ ArgumentsNode (location: (9,9)-(9,12))
│ │ │ │ ├── flags: ∅
│ │ │ │ └── arguments: (length: 1)
│ │ │ │ └── @ LocalVariableReadNode (location: (9,9)-(9,12))
│ │ │ │ ├── name: :cmd
│ │ │ │ └── depth: 0
│ │ │ ├── closing_loc: (9,12)-(9,13) = ")"
│ │ │ └── block: ∅
│ │ ├── keyword_loc: (9,14)-(9,20) = "rescue"
│ │ └── rescue_expression:
│ │ @ NilNode (location: (9,21)-(9,24))
│ ├── locals: [:cmd]
│ ├── def_keyword_loc: (8,0)-(8,3) = "def"
│ ├── operator_loc: ∅
│ ├── lparen_loc: (8,8)-(8,9) = "("
│ ├── rparen_loc: (8,12)-(8,13) = ")"
│ ├── equal_loc: ∅
│ └── end_keyword_loc: (10,0)-(10,3) = "end"
└── @ DefNode (location: (13,0)-(13,38))
├── name: :exec
├── name_loc: (13,4)-(13,8) = "exec"
├── receiver: ∅
├── parameters:
│ @ ParametersNode (location: (13,9)-(13,12))
│ ├── requireds: (length: 1)
│ │ └── @ RequiredParameterNode (location: (13,9)-(13,12))
│ │ ├── flags: ∅
│ │ └── name: :cmd
│ ├── optionals: (length: 0)
│ ├── rest: ∅
│ ├── posts: (length: 0)
│ ├── keywords: (length: 0)
│ ├── keyword_rest: ∅
│ └── block: ∅
├── body:
│ @ StatementsNode (location: (13,16)-(13,38))
│ └── body: (length: 1)
│ └── @ RescueModifierNode (location: (13,16)-(13,38))
│ ├── expression:
│ │ @ CallNode (location: (13,16)-(13,27))
│ │ ├── flags: ignore_visibility
│ │ ├── receiver: ∅
│ │ ├── call_operator_loc: ∅
│ │ ├── name: :system
│ │ ├── message_loc: (13,16)-(13,22) = "system"
│ │ ├── opening_loc: (13,22)-(13,23) = "("
│ │ ├── arguments:
│ │ │ @ ArgumentsNode (location: (13,23)-(13,26))
│ │ │ ├── flags: ∅
│ │ │ └── arguments: (length: 1)
│ │ │ └── @ LocalVariableReadNode (location: (13,23)-(13,26))
│ │ │ ├── name: :cmd
│ │ │ └── depth: 0
│ │ ├── closing_loc: (13,26)-(13,27) = ")"
│ │ └── block: ∅
│ ├── keyword_loc: (13,28)-(13,34) = "rescue"
│ └── rescue_expression:
│ @ NilNode (location: (13,35)-(13,38))
├── locals: [:cmd]
├── def_keyword_loc: (13,0)-(13,3) = "def"
├── operator_loc: ∅
├── lparen_loc: (13,8)-(13,9) = "("
├── rparen_loc: (13,12)-(13,13) = ")"
├── equal_loc: (13,14)-(13,15) = "="
└── end_keyword_loc: ∅
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